LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS - REFUND ADVANCES (Details) - Tax Refund Solutions - Refund Advances - USD ($) $ in Thousands	2 Months Ended		3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Period Refund Advance tax credit product offered	2 months	2 months
Refund Advances					$ 662,556	$ 771,091
Net charge (credit) to the Provision for RAs, including ERAs			$ (1,454)	$ (2,311)	$ 9,947	$ 22,249
Provision as a percentage of RAs originated , including ERAs					1.50%	2.89%
Refund Advances net charge-offs			$ (1,454)	$ (2,311)	$ 19,740	$ 26,178
Refund Advances net charge-offs to total Refund Advances originated					2.98%	3.39%